| Mechernich to Odessa (Texas) | 5,288.74 mi (8,511.40 km) |
| Mechernich to Ogden (Utah) | 5,092.35 mi (8,195.34 km) |
| Mechernich to Oildale (California) | 5,637.19 mi (9,072.19 km) |
| Mechernich to Ojus (Florida) | 4,718.14 mi (7,593.11 km) |
| Mechernich to Okemos (Michigan) | 4,074.67 mi (6,557.54 km) |
| Mechernich to Oklahoma City (Oklahoma) | 4,921.06 mi (7,919.68 km) |
| Mechernich to Okmulgee (Oklahoma) | 4,858.04 mi (7,818.26 km) |
| Mechernich to Olathe (Kansas) | 4,646.05 mi (7,477.10 km) |
| Mechernich to Old Jamestown (Missouri) | 4,481.01 mi (7,211.48 km) |
| Mechernich to Oldsmar (Florida) | 4,717.87 mi (7,592.68 km) |
| Mechernich to Olean (New York) | 3,873.65 mi (6,234.04 km) |
| Mechernich to Olive Branch (Mississippi) | 4,658.45 mi (7,497.05 km) |
| Mechernich to Olivehurst (California) | 5,492.33 mi (8,839.06 km) |
| Mechernich to Olney (Maryland) | 3,952.34 mi (6,360.68 km) |
| Mechernich to Olympia (Washington) | 5,053.11 mi (8,132.20 km) |
